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have to: (a) Write the claim mathematically and identify H0 and Ha (b) Find the standardized test statistic Z and its corresponding area. (c) Find the P-value. (d) Decide whether to reject or fail to reject the null hypothesis. (e) Interpret the decision in the context of the original claim. In Illinois, a random sample of 85 eighth grade students has a mean of score of 265 with a standard Deviation of 55 on a national mathematics assessment test. this test results prompts a state school administrator to declare that the mean score for the state's eighth graders on the examination is more that 260. at a=0.04 is there enough evidence to support the administators claim?
The circumference of a sphere was measured to be 88000 cm with a possible error of 050000 cm. Use linear approximation to estimate the maximum error in the calculated surface area
Prove or disprove that the subgroup H is normal in the group G and what is the order of the factor group D8=Z(D8)?
A California license plate consists of a digit followed by three letters, and then three digits. How many such license plates are there?
Determine the producers' surplus if the wholesale market price is set at $12/unit. (Round your answer to two decimal places.)
Write an inequality to represent the number of 15-minute appointments x and the number of half-hour appointments y the doctor may have in a week.
Groups: Isomorphisms and Mappings, Let G be the additive group of all real numbers, and G' be the group of all positive real numbers under multiplication
Describe two real-life examples where linear equations are used either at home or on the job. For ideas, look in the textbook or online. Look around at home and at work to see what strikes you as being similar in your own life.
What is the financial charge and amount financed?
A rock is thrown into a still pond and causes a circular ripple. If the radius of the ripple is increasing at a rate of 5 ft/sec, at what speed is the area of the ripple increasing when its radius is 15 feet?
currently, tyrone has $60 and his sister has $135, both ger an allowance os $5 each week. tyrone decide to save his entire allowance, but his sister spends all hers each week plus an additional $10 each week. after how long will they each have the..
Tickets for a show cost $2.00 for adults and $1.50 for children. How many adult and how many children's tickets were sold if a total of 127 tickets were sold for $214?
A standard 1 kilogram weight is a cylinder 43.5 mm in height and 48.5 in diameter. What is the density of the material?
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